"But you will receive power when the Holy Spirit comes on you; and you will be my witnesses in Jerusalem, and in all Judea and Samaria, and to the ends of the earth."
NIV
But you shall receive power (ability, efficiency, and might) when the Holy Spirit has come upon you, and you shall be My witnesses in Jerusalem and all Judea and Samaria and to the ends (the very bounds) of the earth.
AMP
But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth.
KJV
"Men of Galilee," they said, "why do you stand here looking into the sky? This same Jesus, who has been taken from you into heaven, will come back in the same way you have seen him go into heaven."
NIV
Who said, Men of Galilee, why do you stand gazing into heaven? This same Jesus, Who was caught away and lifted up from among you into heaven, will return in [just] the same way in which you saw Him go into heaven.
AMP
Which also said, Ye men of Galilee, why stand ye gazing up into heaven? this same Jesus, which is taken up from you into heaven, shall so come in like manner as ye have seen him go into heaven.
KJV
In my former book, Theophilus, I wrote about all that Jesus began to do and to teach
NIV
IN THE former account [which I prepared], O Theophilus, I made [a continuous report] dealing with all the things which Jesus began to do and to teach [Luke 1:1-4.]AMP
The former treatise have I made, O Theophilus, of all that Jesus began both to do and teach,
KJV
On one occasion, while he was eating with them, he gave them this command: "Do not leave Jerusalem, but wait for the gift my Father promised, which you have heard me speak about."
NIV
And while being in their company and eating with them, He commanded them not to leave Jerusalem but to wait for what the Father had promised, Of which [He said] you have heard Me speak. [John 14:16, 26; 15:26.]AMP
And, being assembled together with them, commanded them that they should not depart from Jerusalem, but wait for the promise of the Father, which, saith he, ye have heard of me.
KJV
After his suffering, he presented himself to them and gave many convincing proofs that he was alive. He appeared to them over a period of forty days and spoke about the kingdom of God.
NIV
To them also He showed Himself alive after His passion (His suffering in the garden and on the cross) by [a series of] many convincing demonstrations [unquestionable evidences and infallible proofs], appearing to them during forty days and talking [to them] about the things of the kingdom of God.
AMP
To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:
KJV
They all joined together constantly in prayer, along with the women and Mary the mother of Jesus, and with his brothers.
NIV
All of these with their minds in full agreement devoted themselves steadfastly to prayer, [waiting together] with the women and Mary the mother of Jesus, and with His brothers.
AMP
These all continued with one accord in prayer and supplication, with the women, and Mary the mother of Jesus, and with his brethren.
KJV
He said to them: "It is not for you to know the times or dates the Father has set by his own authority."
NIV
He said to them, It is not for you to become acquainted with and know what time brings [the things and events of time and their definite periods] or fixed years and seasons (their critical niche in time), which the Father has appointed (fixed and reserved) by His own choice and authority and personal power.
AMP
And he said unto them, It is not for you to know the times or the seasons, which the Father hath put in his own power.
KJV